CalledUnofficial results
Maine Senate District 10
Maine State Senate · Maine
David G Haggan won re-election by 9.7 points over Kevin J.M. O'Connell.
David G HagganRepublican · winner · incumbent
54.9%11,880
Kevin J.M. O'ConnellDemocrat
45.1%9,773
94% of the expected vote counted · 21,653 votes
Source: civicAPI unofficial results and race callsUpdated Nov 7, 2026, 7:01 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
No DemocratDavid G Haggan
—
Raised by the campaign
$38.8K
—
Public matching funds
$35.8K
—
Spent by the campaign
$19.5K
Campaign money: Maine Ethics Commission, through Oct 14, 2026.
Source: Maine Ethics Commission campaign filingsUpdated Oct 14, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Kevin J.M. O'Connell
- 10%
- David G Haggan
- 90%
- Projected margin
- R+9.5